Indications

A newborn infant relies on its nasal airway. It is particularly compromised during suckling. It is not possible to leave bilateral choanal atresia untreated. Rapid assessment and correction are needed to provide a nasal airway, and an oropharyngeal airway has to be held in place in the meantime. Bilateral choanal atresia is often associated with other congenital abnormalities (the CHARGE syndrome in particular) that also need to be investigated.

First of all an attempt to pass a fine nasogastric tube into the nasopharynx should be made to help confirm the diagnosis. An axial CT should be done, but only after decongesting the mucosa and sucking any mucus (this avoids mucus producing the false appearance of a mucosal obstruction). A unilateral atresia often presents later in the early teens when the patient realizes that they cannot breathe through one side. They can also present with a unilateral mucoid discharge.

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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